Quarter	Percent, Seasonally Adjusted
1998-01-01	6.04978180404987
1998-04-01	5.98631470916684
1998-07-01	5.83939704382565
1998-10-01	5.79835192934104
1999-01-01	6.25395141260857
1999-04-01	6.47504250615169
1999-07-01	6.77379630400557
1999-10-01	7.12880771765220
2000-01-01	6.44986808065594
2000-04-01	6.40701882996344
2000-07-01	6.17389474461179
2000-10-01	5.75991267213842
2001-01-01	5.81282305831663
2001-04-01	5.87636485767874
2001-07-01	5.90757086952356
2001-10-01	6.23610373520636
2002-01-01	6.05653762094839
2002-04-01	5.69554933393441
2002-07-01	5.68515904291974
2002-10-01	5.60490737268036
2003-01-01	5.43804851128513
2003-04-01	5.44642505496674
2003-07-01	5.26652110018359
2003-10-01	5.33064875872198
2004-01-01	5.70746948638507
2004-04-01	5.64520363798310
2004-07-01	5.74551146254863
2004-10-01	5.53273068279484
2005-01-01	5.28585460454124
2005-04-01	5.39783291536512
2005-07-01	5.63766726232626
2005-10-01	5.38950990477400
2006-01-01	5.23195127490686
2006-04-01	5.15268617806876
2006-07-01	4.88531811255567
2006-10-01	4.77611874962917
2007-01-01	4.59893728179753
2007-04-01	4.77562137013801
2007-07-01	4.88887286119571
2007-10-01	4.69972770127875
2008-01-01	4.48548130868303
2008-04-01	4.37262254134269
2008-07-01	4.51708613226826
2008-10-01	4.72512804318365
2009-01-01	5.78745203243920
2009-04-01	6.16858368931051
2009-07-01	6.73313485950791
2009-10-01	7.26145897493398
2010-01-01	7.97144032481107
2010-04-01	9.13353030714904
2010-07-01	9.91256962617641
2010-10-01	10.93467339359760
2011-01-01	12.37807554612480
2011-04-01	13.51175914474610
2011-07-01	15.10645378612310
2011-10-01	17.30578384142270
2012-01-01	18.74286820135070
2012-04-01	20.74571948476220
2012-07-01	21.91275414059280
2012-10-01	22.58895845114250
2013-01-01	23.34216246656220
2013-04-01	23.76943559383040
2013-07-01	23.92368283195550
2013-10-01	23.73892931017190
2014-01-01	23.56109122773560
2014-04-01	23.31173693978760
2014-07-01	22.72425850576140
2014-10-01	22.24929470044990
2015-01-01	21.85603497583940
2015-04-01	21.11749751405400
2015-07-01	20.58992187136680
2015-10-01	19.93285645387450
2016-01-01	18.99412111145870
2016-04-01	18.33877245042340
2016-07-01	18.35690180939850
2016-10-01	18.08437897565230
2017-01-01	17.64877591458780
2017-04-01	16.92158266267840
2017-07-01	16.11828692049640
2017-10-01	15.99006279849350
2018-01-01	15.53393631922670
2018-04-01	14.95491595377220